scholarly journals Review of Mechanical Properties, Migration, and Potential Applications in Active Food Packaging Systems Containing Nanoclays and Nanosilver

2015 ◽  
Vol 14 (4) ◽  
pp. 411-430 ◽  
Author(s):  
Kuorwel K. Kuorwel ◽  
Marlene J. Cran ◽  
John D. Orbell ◽  
Saman Buddhadasa ◽  
Stephen W. Bigger
Keyword(s):  
Mechanical Properties ◽  
Food Packaging ◽  
Active Food Packaging ◽  
Potential Applications

scholarly journals Tannic-Acid-Cross-Linked and TiO2-Nanoparticle-Reinforced Chitosan-Based Nanocomposite Film

Polymers ◽  
2021 ◽  
Vol 13 (2) ◽  
pp. 228
Author(s):  
Swarup Roy ◽  
Lindong Zhai ◽  
Hyun Chan Kim ◽  
Duc Hoa Pham ◽  
Hussein Alrobei ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Tannic Acid ◽  
Nanocomposite Film ◽  
Food Packaging ◽  
Titanium Dioxide Nanoparticles ◽  
Casting Technique ◽  
Active Food Packaging ◽  
Reinforcing Agent ◽  
Solution Casting Technique ◽  
Cross Linker

A chitosan-based nanocomposite film with tannic acid (TA) as a cross-linker and titanium dioxide nanoparticles (TiO2) as a reinforcing agent was developed with a solution casting technique. TA and TiO2 are biocompatible with chitosan, and this paper studied the synergistic effect of the cross-linker and the reinforcing agent. The addition of TA enhanced the ultraviolet blocking and mechanical properties of the chitosan-based nanocomposite film. The reinforcement of TiO2 in chitosan/TA further improved the nanocomposite film’s mechanical properties compared to the neat chitosan or chitosan/TA film. The thermal stability of the chitosan-based nanocomposite film was slightly enhanced, whereas the swelling ratio decreased. Interestingly, its water vapor barrier property was also significantly increased. The developed chitosan-based nanocomposite film showed potent antioxidant activity, and it is promising for active food packaging.

scholarly journals Safely Dissolvable and Healable Active Packaging Films Based on Alginate and Pectin

Polymers ◽  
2019 ◽  
Vol 11 (10) ◽  
pp. 1594 ◽  
Author(s):  
Maziyar Makaremi ◽  
Hosnieh Yousefi ◽  
Giuseppe Cavallaro ◽  
Giuseppe Lazzara ◽  
Calvin Bok Sun Goh ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Morphological Study ◽  
Food Packaging ◽  
Antibacterial Properties ◽  
Packaging Material ◽  
Packaging Films ◽  
E Coli ◽  
Biocomposite Films ◽  
Healing Efficiency ◽  
Potential Applications

Extensive usage of long-lasting petroleum based plastics for short-lived application such as packaging has raised concerns regarding their role in environmental pollution. In this research, we have developed active, healable, and safely dissolvable alginate-pectin based biocomposites that have potential applications in food packaging. The morphological study revealed the rough surface of these biocomposite films. Tensile properties indicated that the fabricated samples have mechanical properties in the range of commercially available packaging films while possessing excellent healing efficiency. Biocomposite films exhibited higher hydrophobicity properties compared to neat alginate films. Thermal analysis indicated that crosslinked biocomposite samples possess higher thermal stability in temperatures below 120 °C, while antibacterial analysis against E. coli and S. aureus revealed the antibacterial properties of the prepared samples against different bacteria. The fabricated biodegradable multi-functional biocomposite films possess various imperative properties, making them ideal for utilization as packaging material.

scholarly journals The effect of plasticizers and chitosan concentration on the structure and properties of Gracilaria sp.-based thin films for food packaging purpose

Polimery ◽  
2021 ◽  
Vol 66 (2) ◽  
Author(s):  
M. Zulham Efendi Sinaga ◽  
Saharman Gea ◽  
Cut Fatimah Zuhra ◽  
Yuan Alfinsyah Sihombing ◽  
Emma Zaidar ◽  
...  
Keyword(s):  
Thin Film ◽  
Thin Films ◽  
Mechanical Properties ◽  
Food Packaging ◽  
Antimicrobial Properties ◽  
Water Vapor Permeability ◽  
Vapor Permeability ◽  
Chitosan Concentration ◽  
Active Food Packaging ◽  
Ft Ir

Gracilaria sp. is well known as one kind of species of red algae. The major component of polysaccharide in this alga is agar that mostly used for making thin film. In this study, the Gracilaria sp.-based thin film had been prepared using two plasticizers (glycerol and sorbitol, 0.1, 0.2, and 0.3 wt %), and chitosan (1, 2, and 3 wt %). The FT-IR analysis confirmed the interaction that happened among the component of the mixture of Gracilaria sp., plasticizers, and chitosan was based on hydrogen bonding due to the presence of -OH and -NH2 groups. The plasticizers and chitosan concentration have significant role to the mechanical properties of Gracilaria sp.-based thin film. The optimum concentration of plasticizers and chitosan based on mechanical testing result was found at 0.2 and 3.0 wt %, respectively. At those concentrations, the thin film that prepared with sorbitol showed the highest mechanical properties. Other characterizations, i.e. TGA (Thermogravimetric Analysis), SEM (Scanning Electron Microscopy), and WVP (Water Vapor Permeability) also brought the same result. The antimicrobial properties of the as prepared thin film in the presence of chitosan on agar medium and as a packaging on selected bread showed the Gracilaria sp.-based thin films was able to inhibit the growth of microbes. This antimicrobial activity can be used to declare the potential of Gracilaria sp.-based thin film as a new active food packaging.

Biodegradable polylactic acid (PLA)

2021 ◽  
Vol 0 (0) ◽  
Author(s):  
James Goodsel ◽  
Samy Madbouly
Keyword(s):  
Mechanical Properties ◽  
Carbon Nanotubes ◽  
Polylactic Acid ◽  
Food Packaging ◽  
Oily Wastewater ◽  
Biodegradable Material ◽  
Potential Applications ◽  
The Common ◽  
Packaging Industry ◽  
Processing Techniques

Abstract Polylactic acid (PLA) is a biodegradable material that can be processed using the common processing techniques, such as injection molding, extrusion, and blow molding. PLA has widely been researched and tested due to its biodegradable nature. As a biodegradable material, PLA can be subject to some inherently poor qualities, such as its brittleness, weak mechanical properties, small processing windows, or poor electrical and thermal properties. In order to nullify some of these issues, nanofiller composites have been added to the polymer matrix, such as nanocellulose, nanoclays, carbon nanotubes, and graphene. Dye-clay hybrid nanopigments (DCNP) have been used to explore potential applications in the food packaging industry with promising results. Several different compatibilizers have been studied as well, with the goal of increasing the mechanical properties of blends. A key application for PLA is in wound healing and surgical work, with a few studies described in the present chapter. Finally, the superwettability of dopamine modified PLA is examined, with promising results for separation of oily wastewater.

scholarly journals Comparative Analysis of the Composition and Active Property Evaluation of Certain Essential Oils to Assess their Potential Applications in Active Food Packaging

Materials ◽  
2017 ◽  
Vol 10 (1) ◽  
pp. 45 ◽  
Author(s):  
Cornelia Vasile ◽  
Morten Sivertsvik ◽  
Amalia Miteluţ ◽  
Mihai Brebu ◽  
Elena Stoleru ◽  
...  
Keyword(s):  
Comparative Analysis ◽  
Essential Oils ◽  
Food Packaging ◽  
Property Evaluation ◽  
Active Food Packaging ◽  
Potential Applications

scholarly journals Development of new additives of graphene oxide, lysozyme and lecithin with enhanced antimicrobial and mechanical properties for active food packaging applications

2019 ◽  
Author(s):  
Lucas Cavalcanti Escocard Freitas ◽  
Carolina Siqueira Franco Picone ◽  
Antônio Matias Navarrete de Toledo ◽  
Nathalia Cristina Cirone Silva ◽  
Ana Carla Kawazoe Sato
Keyword(s):  
Mechanical Properties ◽  
Graphene Oxide ◽  
Shelf Life ◽  
Food Packaging ◽  
Low Cost ◽  
Food Additives ◽  
Soy Lecithin ◽  
Preparation Conditions ◽  
Active Food Packaging ◽  
Enhanced Properties

The need to extend food shelf-life has driven the development of new conservation means. Recently, nanotechnology has been on the spotlight due to the enhancement of material’s properties. In this sense, this present work aimed to study the association of graphene oxide, egg lysozyme and soy lecithin on nanoscale for the development of new and improved food additives. The combinaton of their attributes not only achieved a boost of antimicrobial and mechanical properties, but also presented to be a low-cost technique with mild preparation conditions and enhanced properties, opening path food packaging functionalization and other applications.

scholarly journals Chitosan Nanofiber and Cellulose Nanofiber Blended Composite Applicable for Active Food Packaging

Nanomaterials ◽  
2020 ◽  
Vol 10 (9) ◽  
pp. 1752 ◽  
Author(s):  
Le Van Hai ◽  
Lindong Zhai ◽  
Hyun Chan Kim ◽  
Pooja S. Panicker ◽  
Duc Hoa Pham ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Antioxidant Activity ◽  
Food Packaging ◽  
Antioxidant Activities ◽  
Uv Light ◽  
Cellulose Nanofiber ◽  
Tempo Oxidation ◽  
Active Food Packaging ◽  
Chitosan Nanofiber ◽  
Aqueous Counter Collision

This paper reports that, by simply blending two heterogeneous polysaccharide nanofibers, namely chitosan nanofiber (ChNF) and cellulose nanofiber (CNF), a ChNF–CNF composite was prepared, which exhibited improved mechanical properties and antioxidant activity. ChNF was isolated using the aqueous counter collision (ACC) method, while CNF was isolated using the combination of TEMPO oxidation and the ACC method, which resulted in smaller size of CNF than that of ChNF. The prepared composite was characterized in terms of morphologies, FT-IR, UV visible, thermal stability, mechanical properties, hygroscopic behaviors, and antioxidant activity. The composite was flexible enough to be bent without cracking. Better UV-light protection was shown at higher content of ChNF in the composite. The high ChNF content showed the highest antioxidant activity in the composite. It is the first time that a simple combination of ChNF–CNF composites fabrication showed good mechanical properties and antioxidant activities. In this study, the reinforcement effect of the composite was addressed. The ChNF–CNF composite is promising for active food packaging application.

scholarly journals Low-Density Polyethylene Films Carrying ferula asafoetida Extract for Active Food Packaging: Thermal, Mechanical, Optical, Barrier, and Antifungal Properties

2020 ◽  
Vol 2020 ◽  
pp. 1-15
Author(s):  
Razieh Niazmand ◽  
Bibi Marzieh Razavizadeh ◽  
Farzaneh Sabbagh
Keyword(s):  
Polymer Matrix ◽  
Food Packaging ◽  
Barrier Properties ◽  
Low Density Polyethylene ◽  
Low Density ◽  
Optical Barrier ◽  
Leaf Extracts ◽  
Polyethylene Films ◽  
Active Food Packaging ◽  
Ferula Asafoetida

The physical, thermal, mechanical, optical, microstructural, and barrier properties of low-density polyethylene films (LDPE) containing ferula asafoetida leaf and gum extracts were investigated. Results showed a reduction in elasticity and tensile strength with increasing extract concentration in the polymer matrix. The melting temperature and enthalpy increased with increasing concentration of extracts. The films containing extracts had lower L∗ and a∗ and higher b∗ indices. The films containing leaf extract had more barrier potential to UV than the gum extracts. The oxygen permeability in films containing 5% of leaf and gum extracts increased by 2.3 and 2.1 times, respectively. The morphology of the active films was similar to bubble swollen islands, which was more pronounced at higher concentrations of gum and leaf extracts. FTIR results confirmed some chemical interactions of ferula extracts with the polymer matrix. At the end of day 14th, the growth rate of Aspergillus niger and Saccharomyces cerevisea in the presence of the PE-Gum-5 reduced more than PE-Leaf-5 (3.7 and 2.4 logarithmic cycles, respectively) compared to the first day. Our findings showed that active LDPE films have desire thermo-mechanical and barrier properties for food packaging.

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